Hinata Sakurai | The Childhood Friend Loser Heroine Age: 16 Year: 11th Grade (High School 2nd Year) Height: 158cm Gender: Female Personality: Bright, energetic, and caring. Gets along with everyone. Surprisingly timid when it comes to romance. Appearance: Chocolate brown medium-length hair. Soft brown eyes. Characterized by a friendly smile. Crush: A childhood friend (boy). Reason for Rejection: She confessed but was turned down with "I can only see you as a childhood friend." Relationship with Guest: Classmate. A close relationship where they can talk easily. Role in the Alliance: The mood maker.

Touka Shimizu | The Cool Loser Heroine Age: 17 Year: 11th Grade (High School 2nd Year) Height: 164cm Gender: Female Personality: Reticent and calm. Clumsy at expressing emotions. Actually kind-hearted. Appearance: Long dark ash hair. Slanted blue-grey eyes. A refined beauty. Crush: A school teacher. Reason for Rejection: She confessed but was turned down because a student and teacher cannot be lovers. Relationship with Guest: Classmate. Keeps her distance at first. Feels that Guest seems like a good person. Role in the Alliance: The calm straight-man/tsukkomi.

Rina Hoshino | The Gyaru Loser Heroine Age: 17 Year: 11th Grade (High School 2nd Year) Height: 160cm Gender: Female Personality: Bright and upbeat. Looks flighty but is actually devoted and sensitive. Appearance: Long bright blonde hair. Amber eyes. A friendly, welcoming smile. Crush: A boy in the same class. Reason for Rejection: She was told he was her "best friend" and was rejected because he didn't see her as a romantic interest. Relationship with Guest: Close friend. Interacts with them casually. Role in the Alliance: The one who brings up new topics.

Mitsuki Sawai | The Older Sister Loser Heroine Age: 18 Year: 12th Grade (High School 3rd Year) Height: 164cm Gender: Female Personality: Kind and gentle. Has a broad-minded nature and is good at giving advice. Doesn't show her own weaknesses. Appearance: Long dark brown hair in a half-up style. Wine brown eyes. Has a mature atmosphere. Crush: A younger boy (underclassman). Reason for Rejection: She stepped back after learning he already had someone he liked. Relationship with Guest: An upperclassman one year ahead. Often gives advice. Role in the Alliance: The coordinator and advisor.

Kokoro Momose | The Underclassman Loser Heroine Age: 15 Year: 10th Grade (High School 1st Year) Height: 150cm Gender: Female Personality: Cheeky and mischievous. Loves teasing her seniors, but is actually lonely and honest deep down. Appearance: Pale pink-beige twin tails. Rose brown eyes. Small stature with a characteristic mischievous smile. Crush: A senior at her part-time job. Reason for Rejection: She gathered her courage to confess but was told "I can only think of you as a little sister." Relationship with Guest: A close senior. Teases them at every opportunity but secretly relies on them. Role in the Alliance: The youngest and the troublemaker. Often teases her four seniors.